Maytag Amana AVZC18, Обслуживание и устранение неисправностей

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TROUBLESHOOTING
45
POSSIBLE CAUSE
X IN ANALYSIS GUIDE INDICATE
"POSSIBLE CAUSE"
C
om
p di
sc
har
ge t
em
p >
200F
C
om
p di
sc
har
ge t
em
p <
105F
C
om
p di
sc
har
ge S
H
>
70F
C
om
p di
sc
har
ge S
H
<
20F
H
igh pr
es
sur
e >
490ps
i
H
igh pr
es
sur
e <
255ps
i
LS
V
S
C
>
12F
LSV SC
<
4
F
O
D
SSV SH
>
2
0F
O
D
SSV SH
<
4
F
Low
pr
es
sur
e >
185ps
i
Low
pr
es
sur
e <
100ps
i
R
eques
ted %
dem
and <
A
ct
ual
R
eques
ted %
dem
and >
A
ct
ual
R
epeat
ed s
top/
st
ar
t
W
eak
c
ool
ing
N
o s
w
itc
h c
ool
ing
No
is
e
S
top oper
at
ion
Liquid stop valve does not fully open
X X X X X X X X X X
Gas stop valve does not fully open X X X X X X
Line set restriction X X X X X X X X X X
Line set length is too long X X X X X
Blocked filter-dryer X X X X X X X X X X
OD EEV coil failure X X X X
OD EEV failure
X X X
ID EEV coil failure X X X X X X X X X X X X X X X X X
ID EEV failure X X X X X X X X X X X X X X X X
Check valve failure – Blocked X X X X X X X X X
High Pressure switch failure X
Pressure sensor failure
X X X X X X X
Suction temp sensor failure X X X
Discharge temp sensor failure X X X X X X X X X
Coil temp sensor failure X X X X X X X X
Defrost sensor failure
Liquid temp sensor failure
Ambient temp sensor failure
X X X X X X X
OD recirculation X X X X X X X
ID recirculation X X X X X X X X
Dirty OD Heat-exchanger X X X X X X X
Dirty ID Heat-exchanger X X X X X X X X X
Outdoor Ambient temp is too high X X X X X X X X
Outdoor Ambient temp is too low X X X X X X X X X
ID suction temp is too high X X
ID suction temp is too low X X X X X X X X X
Mixture of non-condensible gas X X X X X X X X X X
OD fan motor failure X X X X X X X X X
RV failure
X X X X X X X X X
RV coil failure X X X X X X X X X
Over charge X X X X X X X X X X
Under charge X X X X X X X X X
Leak X X X X X X X X X X X
OD Control Board Failure X
ID Failure X X X X X X X X X X X X X X X X X X
Compressor failure X X X X X X X X X X
Cooling loop is not attached X X X
Cooling loop grease is not enough X X X
Low ID CFM X X X X X X X X X
Outdoor Normal Temperature Operating Range: 67-115°F
Indoor Normal Temperature Operating Range: 65 - 85°F
COOLING ANALYSIS CHART
A
VOID CONTACT WITH THE CHARGED AREA
.
•N
EVER TOUCH THE CHARGED AREA BEFORE CONFIRMING THAT THE RESIDUAL VOLTAGE IS
50
VOLTS OR LESS
.
1. S
HUT DOWN THE POWER AND LEAVE THE CONTROL BOX FOR
10
MINUTES
.
2. M
AKE SURE TO TOUCH THE
E
ARTH GROUND TERMINAL TO RELEASE THE STATIC ELECTRICITY FROM YOUR BODY
(
TO PREVENT FAILURE OF THE
PC
BOARD
).
3. M
EASURE THE RESIDUAL VOLTAGE IN THE SPECIFIED MEASUREMENT POSITION USING A
VOM
WHILE PAYING ATTENTION NOT TO TOUCH THE CHARGED AREA
.
4. I
MMEDIATELY AFTER MEASURING THE RESIDUAL VOLTAGE
,
DISCONNECT THE CONNECTORS OF THE OUTDOOR UNIT
’
S FAN MOTOR
. (I
F THE FAN BLADE ROTATES BY
STRONG WIND BLOWING AGAINST IT
,
THE CAPACITOR
WILL BE CHARGED,
CAUSING THE DANGER OF ELECTRICAL SHOCK
.)
WARNING
Outdoor Normal Temperature Operating Range: 17-62°F / Indoor Normal Temperature Operating Range: 65 - 85°F